Dougall Ganister

Found Bonnyside Brickworks, Bonnybridge.

James Dougall & Sons Ltd, Bonnybridge, Stirlingshire

Alternative brickworks include:

  • Bonnyside Brickworks, Bonnybridge, Stirlingshire.




Harry Wilson states – The ganister brick ceased production in the late 50s when the Ganister seam in the drift mine to the Bonnybridge clay seam ran out. It was a natural clay – Silica 73 Sio2/26 Al2O3 rock which had a very low thermal expansion and high resistance to thermal shock. It was used in gas and coke production. The main use for the rock was in the Sheffield area where a locally mined ganister was used as a plastic ramming mass in iron cupola furnaces, crucibles and ladles etc.

Below – This partial brick was found at Bo’ness. Note the inclusions which would appear to be part of the original ganister rock. Note also the area of burning/melting to top right.


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